<template>
  <div class="dialog">
    <el-dialog :title="title" :visible.sync="isShowDialogComponent"
               width="50%" :before-close="handleClose">
      <el-form
        ref="formRef"
        :model="form"
        label-width="100px"
        :rules="formRules"
        v-loading="loading"
        element-loading-text="拼命加载中......"
        element-loading-spinner="el-icon-loading">
        <el-form-item label="启用学期 :">
          <span>{{ currentSemesterName }}</span>
        </el-form-item>

        <el-form-item label="选择学科 :">
          <el-select v-model="form.SubjectID" :disabled="judgeId!==0">
            <el-option
              v-for="(item,index) in subjectList"
              :key="index"
              :label="item.Text"
              :value="item.Value">
            </el-option>
          </el-select>
        </el-form-item>

        <div class="name-price">
          <el-form-item label="课程名称 :" prop="ClassName">
            <el-input v-model="form.ClassName"></el-input>
          </el-form-item>
          <el-form-item label="课程定价 :" class="second" prop="Price">
            <el-input v-model="form.Price"></el-input>
          </el-form-item>
        </div>

        <div class="count-hours">
          <el-form-item label="容纳人数 :" prop="Accommodate">
            <el-input v-model="form.Accommodate"></el-input>
          </el-form-item>
          <el-form-item label="课程时长 :" class="second" prop="ClassHour">
            <el-input v-model="form.ClassHour"></el-input>
          </el-form-item>
        </div>

        <el-form-item label="课程描述 :" prop="Describe">
          <el-input v-model="form.Describe" type="textarea"></el-input>
        </el-form-item>
        <el-form-item label="课程图片 :">
          <upload-img
            @showImage="showImage"
            class="image-style"
            :judge-id="judgeId"
            :image="form.Image"
            :is-show-letter="true"
            :width="16"
            :height="9">
          </upload-img>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="handleClose" :disabled="loading">取 消</el-button>
        <el-button type="primary" @click="submitEvent" :disabled="loading">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
//引入封装的接口的类名
import CompanySubject from '../../../model/companySubject'
import Semester from '../../../model/semester'
import CompanyCurriculum from '../../../model/companyCurriculum'
//引入封装的验证规则，包括价格、手机等的一些特殊验证
import ProofRules from '../../../ck/util/proofRules'
//引入封装好的图片上传+裁剪的组件
import UploadImg from '../../../components/base/uploadPictures/UploadImg'

export default {
  name: 'AddAndEditDialog',
  components: {
    UploadImg
  },
  props: {
    title: String,
    isShowDialogComponent: Boolean,
    judgeId: Number,
    subjectList: {
      type: Array,
      default () {
        return []
      }
    }
  },
  data () {
    return {
      loading: false,
      //图片裁剪对话框的显示与隐藏
      dialogVisible: false,
      formRules: {
        ClassName:ProofRules.requiredFieldAndLength('课程名称',2,20),
        Price:ProofRules.PriceMethod('课程价格'),
        Describe: ProofRules.requiredFieldAndLength('课程描述', 2, 200),
        Accommodate:ProofRules.accommodateMethod('课程容纳人数'),
        ClassHour:ProofRules.classHoursMethod('课程时长')
      },
      //保存学期名称
      currentSemesterName: '',
      form: {
        SubjectID: null,
        ClassName: '',
        Describe: '',
        Image: '',
        Price: '',
        Accommodate: '',
        ClassHour: '',
      },
      //保存图片上传的拼接路径
      imgUrl: 'api/Common/CommonMethod/PostUploadImage',
    }
  },
  created () {
    //获取当前正在启用的学期信息
    this.getCurrentSemester()
    this.judgeEditButton()
  },

  methods: {
    handleClose (payload) {
      this.$emit('handleClose', payload)
    },
    //判断点击的是否是编辑按钮
    async judgeEditButton () {
      if (this.judgeId !== 0) {
        const res = await CompanyCurriculum.SearchModelDetails({ ID: this.judgeId })
        this.form = res
      }
    },
    //图片上传和裁剪
    showImage (showImageUrl) {
      this.form.Image = showImageUrl
    },
    //获取当前启用学期的信息
    async getCurrentSemester () {
      const res = await Semester.GetCurrentSemester()
      this.form.SemesterID = res[0].Value
      this.currentSemesterName = res[0].Text
    },
    submitEvent () {
      //提交前先进行表单验证
      this.$refs.formRef.validate(async valid => {
        if (valid) {
          if (this.form.Image === '') {
            this.$message.error('课程图片为必传项')
          } else if(this.form.SubjectID===0)
          {
            this.$message.error('学科为必选项')
          } else {
            try {
              //判断是否时添加操作
              if (this.judgeId === 0) {
                this.loading = true
                await CompanyCurriculum.Add(this.form)
                this.loading = false
                this.$message.success('添加课程成功')
                this.handleClose('submitButton')
              } else {
                //如果是编辑操作
                this.loading = true
                await CompanyCurriculum.Update(this.form)
                this.loading = false
                this.$message.success('编辑课程信息成功')
                this.handleClose('submitButton')
              }
            } catch (err) {
              this.loading = false
            }
          }
        } else {
          this.$message.error('请填写表单必填项')
        }
      })
    },

  }
}
</script>

<style scoped>
.edit-show-image {
  height: 150px;
  width: 150px;
}
.name-price{
  display: flex;
}
.count-hours{
  display: flex;
}
.second{
  margin-left: 100px;
}
/deep/ .el-textarea__inner {
  width: 80%;
}
</style>
